Following the end-of-life announcement of the DB3, I am offering you a replacement solution that is 100% compatible, with a similar budget and a few additional features.

DB3B
- Designed for indoor or outdoor gas and fire detection type alarms and for industrial applications (gas, oil, chemicals and pharmaceuticals)
- High sound power (up to 122 dB)
- Temperature range from -55 ° C to + 70 ° C
- Corrosion protection (housing made of polyester reinforced with fiberglass)
- 3 controllable tones with choice of each tone (Vcc version)
- Protection class IP66 and IP67
Comparison DB3B/DB3
Functionality | DB3B | DB3 |
Certification | ATEX, IECEx, CQST, CUTR, cULus, Inmetro, CCCF | ATEX, IECEx, CQST, CUTR, cULus, Inmetro |
SPL @ 1 m | 122dB(A) (long flare) 129dB(A) (short flare) | 115dB(A) (long flare) 108dB(A) (short flare) |
Classification | IIC / IIC & IIIC | IIB/IIC |
IP Rating | IP 66/67, NEMA 4X & 6 | IP 66/67, NEMA 4X & 6 |
Certified Temperature | -55°C – + 85°C | -55°C – + 70°C |
Housing Material | Glass fiber reinforced polyester | Glass fiber reinforced polyester |
Weight (Ex d / Ex de) | 4.6/5.4kg | 6.0/6.4kg |
Sounds | 28 sounds, 3 tones | 27 sounds, 2 tones |
DC V Range | 12-48 | 12-48 |
AC V Range | 110, 120, 220, 230, 240, 254 | 110, 120, 220, 230, 240, 254 |

Are you interested in the DB3B? Do you need advice? Contact me, I will be happy to help you!
Alex, your expert in signaling solutions